BF-BFC-SNB-150-KKN1-RP$69.99Add-Soundproofing: NONEAcoustiPack Two 4mm Sheets of soundproofing Material for Side Pannels(+29.99) Add-Noise-Blocks: NONEAcousti Noise Blocks 2 x 5.25 Drive Bay Plus 1 x 2.25 Drive Noise Blocks(+19.99)